In the Linux kernel, the following vulnerability has been resolved:
clk: mmp2: call pm_genpd_init() only after genpd.name is set
Setting the genpd's struct device's name with dev_set_name() is happening within pm_genpd_init(). If it remains NULL, things can blow up later, such as when crafting the devfs hierarchy for the power domain:
Unable to handle kernel NULL pointer dereference at virtual address 00000000 when read ... Call trace: strlen from start_creating+0x90/0x138 start_creating from debugfs_create_dir+0x20/0x178 debugfs_create_dir from genpd_debug_add.part.0+0x4c/0x144 genpd_debug_add.part.0 from genpd_debug_init+0x74/0x90 genpd_debug_init from do_one_initcall+0x5c/0x244 do_one_initcall from kernel_init_freeable+0x19c/0x1f4 kernel_init_freeable from kernel_init+0x1c/0x12c kernel_init from ret_from_fork+0x14/0x28
Bisecting tracks this crash back to commit 899f44531fe6 ("pmdomain: core: Add GENPD_FLAG_DEV_NAME_FW flag"), which exchanges use of genpd->name with dev_name(&genpd->dev) in genpd_debug_add.part().
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 27, 2026 | Jul 27, 2026 |
| Ubuntu | — | Upgrade linux-image-virtual-6.8Upgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-raspi-6.8Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-azureUpgrade linux-image-6.8.0-64-lowlatencyUpgrade linux-image-6.11.0-26-generic-64kUpgrade linux-image-6.8.0-1024-raspiUpgrade linux-image-gkeopUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-oem-22.04dUpgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-aws-6.8Upgrade linux-image-6.8.0-1029-oracle-64kUpgrade linux-image-6.8.0-64-genericUpgrade linux-image-azure-nvidia-lts-24.04Upgrade linux-image-azure-fdeUpgrade linux-image-raspiUpgrade linux-image-kvmUpgrade linux-image-6.8.0-1029-oracleUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-oracle-6.8Upgrade linux-image-nvidia-64kUpgrade linux-image-lowlatency-6.8Upgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-realtime-6.8.1Upgrade linux-image-6.11.0-1014-lowlatency-64kUpgrade linux-image-6.8.0-64-lowlatency-64kUpgrade linux-image-6.8.0-64-generic-64kUpgrade linux-image-oem-22.04cUpgrade linux-image-6.8.0-1028-gkeUpgrade linux-image-6.8.0-1031-nvidia-lowlatencyUpgrade linux-image-6.8.0-1031-nvidiaUpgrade linux-image-6.11.0-1022-oemUpgrade linux-image-aws-lts-24.04Upgrade linux-image-realtimeUpgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-nvidia-6.8Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-6.8.0-1031-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1022-azure-nvidiaUpgrade linux-image-gcp-64kUpgrade linux-image-gkeop-6.8Upgrade linux-image-oracle-64k-6.8Upgrade linux-image-azure-6.8Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-6.11.0-1015-gcp-64kUpgrade linux-image-aws-64kUpgrade linux-image-generic-lpaeUpgrade linux-image-generic-64k-6.8Upgrade linux-image-6.11.0-1015-gcpUpgrade linux-image-azure-nvidia-6.8Upgrade linux-image-azure-nvidiaUpgrade linux-image-oem-24.04Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-6.8.0-1032-awsUpgrade linux-image-6.8.0-1033-gcpUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-ibmUpgrade linux-image-6.8.0-1031-oemUpgrade linux-image-6.11.0-1015-azureUpgrade linux-image-azure-lts-24.04Upgrade linux-image-oem-24.04aUpgrade linux-image-6.8.0-1015-gkeopUpgrade linux-image-gkeUpgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-6.8.0-1029-ibmUpgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-6.8.0-1033-gcp-64kUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-gke-6.8Upgrade linux-image-6.8.0-1031-raspiUpgrade linux-image-6.11.0-26-genericUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-oem-6.8Upgrade linux-image-generic-64kUpgrade linux-image-6.8.0-2026-raspi-realtime | May 7, 2025 | Mar 6, 2025 |
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